Performance comparison among three different Stokes vector direct-detection receivers

Xiaojie Shen, Jiahao Huo, Xian Zhou, Kangping Zhong, Jinhui Yuan, Jiajing Tu, Keping Long, Changyuan Yu, Alan Pak Tao Lau, Chao Lu

Research output: Journal article publicationJournal articleAcademic researchpeer-review

Abstract

Stokes vectors direct detection (SV-DD) is an effective solution for short-reach optical communications. In this Letter, we investigate two-dimensional-modulation direct-detection systems based on three Stokes vector receivers (SVRs). The influences of three key factors including the states-of-polarization (SOP), the splitting ratio of the coupler, and the excess loss (EL) are studied in detail. It is shown that the splitting ratio for achieving optimum performance will be changed with SOP and EL conditions. Among these SVRs, the 3 × 3 coupler-based receiver with its optimal splitting ratio shows the best bit error rate performance and stability against the change of SOP.

Original languageEnglish
Article number100605
JournalChinese Optics Letters
Volume16
Issue number10
DOIs
Publication statusPublished - 10 Oct 2018

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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